Fast Heating in 60s- Plug it into your car's cigarette lighter socket and switch to heater or fan and it will heat the engine in 60 seconds. This car heater can help you solve the problem of fog and frost covering the car windshield, and effectively solve the problem of fog and frost blocking the line of sight in winter. 2 IN 1 mode- This car heater has two setting modes: heating and cooling. The best rapid heating defogging. You just need to replace the switch and hot or cold air will come out immediately as needed. This car heater is not only for windshield demisting/defrosting. It can also be used as a cooling fan to give you wind in summer. Humanized design- Rotating bracket design, 360 degree free adjustment direction, convenient and practical. You can adjust it to your liking with a swivel mount that easily adjusts and guides like a car vent. Wide Compatibility- This car heater is widely used in cars, SUV , taxis, jeeps, trucks and other common devices. Suitable for all 12V vehicles in the car, suitable for camping, and travel, defogging/defrosting in winter, keeping cool in summer. Perfect as a car companion for family or friends. Reliable- With cigarette lighter plug design, built-in fuse, automatic power-off protection, anti-tension and safer use. The user-friendly design is energy efficient with low consumption.